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Seaweed spray could soothe radiation mouth pain

NCT ID NCT07040969

Symptom relief Sponsor: West China Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a spray made from spirulina (a type of algae) can prevent or reduce severe mouth sores in people receiving radiation for head and neck cancer. About 70 patients will use either the spirulina spray or a placebo spray during their radiotherapy. The goal is to see if the spray lowers the chance of developing painful sores that make eating difficult.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
spirulina-derived oral spray
What this could lead to
If it works, this could provide a natural, low-cost option to reduce severe mouth pain during radiotherapy, helping patients eat and maintain quality of life.
What could go wrong
This is a small Phase 2 trial with only 70 participants, so results may not apply broadly. The spray may not outperform placebo, and allergic reactions to spirulina are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 70 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2025

Expected to finish

Apr 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Patients pathologically diagnosed with non-metastatic head and neck malignant tumors; 2. Aged ≥ 18 years; 3. Eastern Cooperative Oncology Group performance status of ≤2; 4. Receiving definitive RT or postoperative adjuvant RT at a dose of 60- 72 Gy with/without concurrent chemotherapy; 5. Sign informed consent. Exclusion Criteria: 1. Patients with known allergy to Spirulina components or severe allergic constitution; 2. Use of antibiotics, antifungal drugs, or antimicrobial mouthwash within 1 month of the study; 3. Poor oral hygiene and/or severe periodontal diseases; 4. History of head and neck radiotherapy; 5. Deemed unsuitable for the study by the investigators (concomitant with any other severe diseases).

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Conditions

The condition(s) this trial relates to.

chemotherapy-induced oral mucositis head and neck cancer Head and Neck Neoplasms

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Radiation-induced oral mucositis

Contacts and locations

Locations

  • West China Hospital, Sichuan University

    Chengdu, Sichuan, 610041, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.